Abstract: The article presents a model of the structural properties of virtual communities and the information they can access. It argues that a large part of the information – a...
We propose a general, powerful framework of type systems for the -calculus, and show that we can obtain as its instances a variety of type systems guaranteeing non-trivial propert...
A software system interacts with its environment through system interfaces. Robustness of software systems are governed by various temporal properties related to these interfaces,...
There are many problems requiring a semantic account of a database schema. At its best, such an account consists of mapping formulas between the schema and a formal conceptual mode...
Abstract. Much data is published on the Web in XML format satisfying schemas, and to make the Semantic Web a reality, such data needs to be interpreted with respect to ontologies. ...